Ankeny, Nesmith C.; Rogers, C. A. A condition for a real lattice to define a zeta function. (English) Zbl 0044.03803 Proc. Natl. Acad. Sci. USA 37, 159-163 (1951). PDFBibTeX XMLCite \textit{N. C. Ankeny} and \textit{C. A. Rogers}, Proc. Natl. Acad. Sci. USA 37, 159--163 (1951; Zbl 0044.03803) Full Text: DOI
Dvoretzky, A.; Rogers, C. A. Absolute and unconditional convergence in normed linear spaces. (English) Zbl 0036.36303 Proc. Natl. Acad. Sci. USA 36, 192-197 (1950). PDFBibTeX XMLCite \textit{A. Dvoretzky} and \textit{C. A. Rogers}, Proc. Natl. Acad. Sci. USA 36, 192--197 (1950; Zbl 0036.36303) Full Text: DOI